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| Episode | First Aired | Online Video | |
|---|---|---|---|
| S07, E07 | When Space Changed History | 6/17/2012 | |
| S07, E06 | Ride the Comet | 6/10/2012 | |
| S07, E05 | Microscopic Universe | 6/03/2012 | |
| S07, E04 | Deep Freeze | 5/20/2012 | Watch Online |
| S07, E03 | Our Place in the Milky Way | 5/13/2012 | Watch Online |
| S07, E02 | Alien Sounds | 5/06/2012 | Watch Online |
| S07, E01 | How Big, How Far, How Fast | 4/29/2012 | Watch Online |
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